The contour 100, in combination withthe Vision 3 facemask, offers wearer and specifies new levels of comfort,improved field of vision, true operational flexibility and low cost, simplemaintenance in a self contained breathing apparatus that will fully reflect thephilosophy to product equipment that our customers will wear by choice, not justby necessity.
1)2) The unit shall feature a300 bar pressure gauge to monitor cylinder pressure at the input of the firststage reducer. It will feature a luminous dial, indicating 0-350 bar. The gaugeshall be shoulder strap mounted and capable of being pulled close up to thefacemask for use in poor visibility. The gauge shall be equipped with ablow-out vent and the gauge shall feature a rubber shroud for impactprotection. Itshould incorporate a low pressure warning alarm that will operate at 55 bars.
The medium pressure air supply hose ismade of chlorinated polyethylene, fabric braid reinforcement and nitrile linerand the high pressure air supply hose is made of PTCFE liner, stainless steelbraiding and estane sleeve. The HP air supply hose fitting is plated withNickel brass. The medium pressure hose works with maximum 16 bars and minimumburst with 80 bars, and high pressure hose works with maximum 450 bar andminimum burst with 800 bar. Different high and medium pressure hose connectionsare ensure with foolproof assembly and swivel fittings.
6) CYLINDER ANDVALVA ASSEMBLY:
Cylinder: The cylinder should be of fullywrapped carbon fibre composite construction 9 ltr / 300 bars with time durationof not less than 60 Minutes based on a nominal breathing rate of 40 liters perminute. The specification of the cylinder should be in accordance with The PEDand the cylinder should be CE marked and CCE Nagpur approved.
Cylinder valve assembly: The cylinder valve shall be in accordance with EN 144-2and the valve will feature a safety locking hand wheel that can be turned onusing one hand. The locking hand wheel will prevent the cylinder valve beinginadvertently turned.
EN137 Open circuit self contained compressed airbreathing apparatus
EN139 Open circuit airline compressed airbreathing apparatus
EN136 Full facemasks for respiratory protectivedevices
AS1716 Australian approval for respiratoryprotective equipment